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Effects of silver content and morphology on the catalytic activity of silver-grafted titanium oxide nanostructure

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Abstract

As titanium oxide is a well-known photocatalyst, we investigated the effects of silver content and nanostructural morphology on the photocatalytic degradation of two dyes, methylene blue and rhodamine B. Two nano-formulations were utilized, including nanofibers and nanoparticles. Silver-grafted titanium oxide nanofibers were synthesized using the electrospinning of silver nitrate/titanium isopropoxide/poly(vinyl acetate) sol-gel. The nanoparticulate form was obtained by calcination of a ground powder prepared from the same electrospun sol-gel. The results affirmed the advantage of the silver-grafted titanium oxide nanostructures over the silver-free ones. Increasing the silver content in the nanofibers led to increases in their surface area, which is an important parameter in heterogeneous catalytic chemical reactions. Therefore, the results strongly suggest the use of silver-grafted titanium oxide in a nanofibrous form. These results further support utilizing Agloaded titanium oxide nanofibers as a photocatalyst.

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Authors and Affiliations

  1. Department of Polymer Nano Science and Technology, Chonbuk National University, Jeonju, 561-756, Korea

    Muzafar A. Kanjwal

  2. Chemical Engineering Department, Faculty of Engineering, El-Minia University, El-Minia, Egypt

    Nasser A. M. Barakat

  3. Bionano System Engineering Chonbuk National University, Jeonju, 561-756, Korea

    Nasser A. M. Barakat

  4. Department of Environmental Engineering and Biotechnology, Energy & Environment Fusion Technology Center, Myongji University, Yongin, 449-728, Korea

    Faheem A. Sheikh

  5. Department of Textile Engineering, Chonbuk National University, Jeonju, 561-756, Korea

    Woo-il Baek, Myung Seob Khil & Hak Yong Kim

Authors
  1. Muzafar A. Kanjwal
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  2. Nasser A. M. Barakat
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  3. Faheem A. Sheikh
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  4. Woo-il Baek
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  5. Myung Seob Khil
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  6. Hak Yong Kim
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Correspondence to Nasser A. M. Barakat or Hak Yong Kim.

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Kanjwal, M.A., Barakat, N.A.M., Sheikh, F.A. et al. Effects of silver content and morphology on the catalytic activity of silver-grafted titanium oxide nanostructure. Fibers Polym 11, 700–709 (2010). https://doi.org/10.1007/s12221-010-0700-x

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  • DOI: https://doi.org/10.1007/s12221-010-0700-x

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